213250525345 has 16 divisors (see below), whose sum is σ = 300638503872. Its totient is φ = 143161191360.

The previous prime is 213250525337. The next prime is 213250525373. The reversal of 213250525345 is 543525052312.

It is not a de Polignac number, because 213250525345 - 2³ = 213250525337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149125527 + ... + 149126956.

It is an arithmetic number, because the mean of its divisors is an integer number (18789906492).

Almost surely, 2^213250525345 is an apocalyptic number.

It is an amenable number.

213250525345 is a deficient number, since it is larger than the sum of its proper divisors (87387978527).

213250525345 is a wasteful number, since it uses less digits than its factorization.

213250525345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298252512.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 213250525345 its reverse (543525052312), we get a palindrome (756775577657).

The spelling of 213250525345 in words is "two hundred thirteen billion, two hundred fifty million, five hundred twenty-five thousand, three hundred forty-five".